diff options
Diffstat (limited to 'source/debug.c')
| -rw-r--r-- | source/debug.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/source/debug.c b/source/debug.c new file mode 100644 index 0000000..c9c36a1 --- /dev/null +++ b/source/debug.c @@ -0,0 +1,162 @@ +/* + + 3ds81 - Nintendo 3DS ZX81 emulator + + Copyright (C) 2021 Ian Cowburn <ianc@noddybox.co.uk> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/> + + ------------------------------------------------------------------------- + + Provides an interface for debug + +*/ +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <stdarg.h> +#include <errno.h> +#include <3ds.h> + +#include <unistd.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netinet/tcp.h> +#include <netdb.h> + +#include "debug.h" +#include "gui.h" + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + +/* ---------------------------------------- GLOBAL EXTERNALS +*/ +int debug_enabled = FALSE; + +/* ---------------------------------------- PRIVATE DAYA +*/ +static char debug_host[256]; +static char debug_port[32]; +static int sock = -1; + +/* ---------------------------------------- PRIVATE FUNCTIONS +*/ +static void Error(const char *format, ...) +{ + static char buff[4096]; + va_list va; + + va_start(va, format); + vsnprintf(buff, 4096, format, va); + buff[4095] = 0; + va_end(va); + + GUI_Alert(FALSE, buff); +} + +static void OpenDebugConnection(void) +{ + if (sock == -1) + { + struct addrinfo *addr, *addr_p; + struct addrinfo hints = {0}; + + hints.ai_family = PF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + + if (getaddrinfo(debug_host, debug_port, &hints, &addr) == 0) + { + for(addr_p = addr; addr_p && sock == -1; addr_p = addr_p->ai_next) + { + sock = socket(addr_p->ai_family, + addr_p->ai_socktype, + addr_p->ai_protocol); + + if (sock != -1) + { + if (connect(sock, addr_p->ai_addr, addr_p->ai_addrlen) + == -1) + { + Error("Failed to connect socket"); + close(sock); + sock = -1; + } + } + else + { + Error("Failed to create socket(%d,%d,%d)\n%d %s", + addr_p->ai_family, + addr_p->ai_socktype, + addr_p->ai_protocol, + errno, + strerror(errno)); + } + } + } + else + { + Error("Failed to getaddrinfo(%s,%s)", debug_host, debug_port); + } + } +} + +/* ---------------------------------------- EXPORTED INTERFACES +*/ +void DEBUG_SetAddress(const char *host, const char *port) +{ + strncpy(debug_host, host, (sizeof debug_host) - 1); + strncpy(debug_port, port, (sizeof debug_port) - 1); + + debug_host[(sizeof debug_host) - 1] = 0; + debug_port[(sizeof debug_port) - 1] = 0; + + if (sock != -1) + { + close(sock); + sock = -1; + } +} + + +void DEBUG_Output(const char *format, ...) +{ + static char buff[4096]; + + if (debug_enabled) + { + va_list va; + + OpenDebugConnection(); + + va_start(va, format); + vsnprintf(buff, 4096, format, va); + buff[4095] = 0; + va_end(va); + + if (sock != -1) + { + send(sock, buff, strlen(buff), 0); + } + } +} + + +/* END OF FILE */ |